Translate word for word or to a proportion, then solve.0.9% of 9000 is what number?
A. 810
B. 81
C. 8
D. 8100
Answer: B
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Evaluate the integral by changing the order of integration in an appropriate way.
A. 1 - sin 9
B. 
C. 
D. 1 + cos 9
Find the area of triangle ABC with the given parts. Round to the nearest tenth when necessary.A = 39°40'b = 16.5 mc = 10.5 m
A. 55.3 m2 B. 110.6 m2 C. 112.6 m2 D. 27.7 m2
Write the first five terms of the arithmetic sequence whose first term, a1, and common difference, d, are given.a1 = 12; d = -4
A. 12, 8, 3, 0, -4 B. 8, 4, 0, -4, -8 C. 16, 12, 8, 4, 0 D. 12, 8, 4, 0, -4
Solve.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 80 seconds are required to make a 5-by-4 enlargement, find the time required for a 6-by-5 enlargement.
A. 120 sec B. 90 sec C. 150 sec D. 180 sec